Table 1.
Baseline characteristics and weight change of men and women1
| Normal Weight (BMI 18.5- < 25) |
Overweight (BMI 25- < 30) |
Obese (BMI > 30) |
All | |
|---|---|---|---|---|
| Women (n) | 816 | 1150 | 1015 | 2979 |
| Age | 32.3 (8.9)2 | 35.6 (10.3) | 37.8 (11.1) | 35.5 (10.5) |
| Initial BMI | 23.2 (1.3) | 27.2 (1.4) | 35.3 (4.9) | 28.9 (5.8) |
| Initial weight (kg) | 63.6 (6.0) | 73.5 (6.8) | 94.8 (15.2) | 78.0 (16.3) |
| Weight loss (kg) | 2.1 (2.7) | 3.1 (3.8) | 5.5 (7.0) | 3.7 (5.1) |
| Percentage weight loss | 3.2 (4.2) | 4.2 (5.1) | 5.7(6.6) | 4.5 (5.5) |
| Clinically significant weight loss3 % (n) |
n/a | 38.2 (439) | 43.5 (442) | 40.7 (881) |
| Men (n) | 33 | 269 | 340 | 642 |
| Age | 35.2 (9.6) | 37.9 (9.8) | 40.6 (10.2) | 39.2 (10.1) |
| Initial BMI | 23.5 (1.4) | 27.8 (1.4) | 34.3 (3.9) | 31.0 (4.7) |
| Initial weight (kg) | 73.7 (8.7) | 88.8 (7.9) | 109.6 (15.0) | 99.0 (16.9) |
| Weight loss (kg) | 2.3 (2.3) | 4.2 (4.7) | 7.1 (7.6) | 5.6 (6.5) |
| Percentage weight loss | 3.0 (3.2) | 4.7 (5.4) | 6.4 (6.4) | 5.5 (5.9) |
| Clinically significant weight loss3 % (n) |
n/a | 45.4 (122) | 49.4 (168) | 47.6 (290) |
1 No members had an initial BMI in the underweight range (< 18.5)
2 Values are means (standard deviations) unless otherwise stated.
3 > 5% weight loss: overweight and obese participants only.